Lesson of Jesus on Who Belongs to Family of God

Jesus was once told that he had to address his mother and brothers standing outside. This is in Mark 3. Jesus answered that they are not his true family, and then Jesus defined the true family of God. Another time in Luke 11 Jesus was told that his mother who suckeled him as a child was blessed, and Jesus answered by explaining in the identical way how a person belongs to the family of God. Both times, Jesus said it meant to hear God's word, and keep it / do the will of God.

 Jesus did not use any synonym for believing in God  or in himself as a means of belonging to God's family .

If you were asked what does it mean to be a member of God's family, would you answer correctly measured by the words of Jesus? Or would you instead answer with a Pauline grace version -- that it means to believe Jesus is Messiah, ascended into heaven, and rose on the 3d day, and paid for your sins?

But that isn't what makes you a member of God's family according to Jesus, right? Having such beliefs might make you a member of his temporal church on earth, but such beliefs do not necessarily make you part of God's family, when you compare Jesus's words to Jesus' words.

In Mark 3, we read:

31 His mother and his brothers came, and standing outside, they sent to him, calling him. 32 A multitude was sitting around him, and they told him, “Behold, your mother, your brothers, and your sisters[b] are outside looking for you.”

33 He answered them, “Who are my mother and my brothers?” 34 Looking around at those who sat around him, he said, “Behold, my mother and my brothers! 35 For whoever does the will of God, the same is my brother, and my sister, and mother.” (Mark 3:32-35 WEB)

In Luke 11, Jesus says something similarly that actual familial connection to himself is not the true blessing, but belonging to God's family brings a blessing which comes by obedience:

27 It came to pass, as he said these things, a certain woman out of the multitude lifted up her voice, and said to him, “Blessed is the womb that bore you, and the breasts which nursed you!”

28 But he said, “On the contrary, blessed are those who hear the word of God, and keep it. (Luke 11:27-28 WEB.)

So we see Jesus identifies those who "hear the word of God and keep it" as the truly blessed and Jesus' true family. It is not simply knowing him as a son. Jesus gave the same description to describe a true family relationship with him as those who are truly blessed - those who "do the will of God."

Thus, are we adopted by faith into the family of God?  No.  Any verse in Paul that purports to say that either contradicts Christ or mis-translates the words for obedience as faith. To save Paul's accuracy, the truth is it is more likely the latter.  The root word translated as faith in many places in the New Testament actually has a secondary meaning that is just as literal as faith, and that secondary meaning is obedience.  

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